Known exploited vulnerability
CVE-2023-28432
The short answer
CVE-2023-28432 affects minio minio and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-04-21: attackers are using it, so patch it first.
What it is
Minio is a Multi-Cloud Object Storage framework. In a cluster deployment starting with RELEASE.2019-12-17T23-16-33Z and prior to RELEASE.2023-03-20T20-16-18Z, MinIO returns all environment variables, including `MINIO_SECRET_KEY` and `MINIO_ROOT_PASSWORD`, resulting in information disclosure. All users of distributed deployment are impacted. All users are advised to upgrade to RELEASE.2023-03-20T20-16-18Z.
Weakness: CWE-200.
Severity
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploited (CISA KEV)
Yes, since Apr 21, 2023
Federal due date May 12, 2023
EPSS, next 30 days
84%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
What CISA says to do
Apply updates per vendor instructions.
Affected products
minio. NVD's record lists the exact affected versions.
References
- github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z Release Notes
- github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q ExploitVendor Advisory
- twitter.com/Andrew___Morris/status/1639325397241278464 Third Party Advisory
- viz.greynoise.io/tag/minio-information-disclosure-attempt Third Party Advisory
- www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean Third Party Advisory
- github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z Release Notes
- github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q ExploitVendor Advisory
- twitter.com/Andrew___Morris/status/1639325397241278464 Third Party Advisory
- viz.greynoise.io/tag/minio-information-disclosure-attempt Third Party Advisory
- www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28432 US Government Resource
Questions
Is CVE-2023-28432 being exploited?
Yes. CISA added CVE-2023-28432 to its Known Exploited Vulnerabilities catalog on 2023-04-21, with a federal remediation due date of 2023-05-12.
How do I fix CVE-2023-28432?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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